11373863 has 4 divisors (see below), whose sum is σ = 11381520. Its totient is φ = 11366208.

The previous prime is 11373847. The next prime is 11373871. The reversal of 11373863 is 36837311.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 11373863 - 2⁴ = 11373847 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11373883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 803 + ... + 4836.

It is an arithmetic number, because the mean of its divisors is an integer number (2845380).

Almost surely, 2^11373863 is an apocalyptic number.

11373863 is a deficient number, since it is larger than the sum of its proper divisors (7657).

11373863 is an equidigital number, since it uses as much as digits as its factorization.

11373863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7656.

The product of its digits is 9072, while the sum is 32.

The square root of 11373863 is about 3372.5158265010. The cubic root of 11373863 is about 224.8895787402.

The spelling of 11373863 in words is "eleven million, three hundred seventy-three thousand, eight hundred sixty-three".